| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | /* Framebuffer console based SDL video driver implementation. |
| 25 | */ |
| 26 | |
| 27 | #include <fcntl.h> |
| 28 | #include <unistd.h> |
| 29 | #include <sys/ioctl.h> |
| 30 | #include <sys/mman.h> |
| 31 | |
| 32 | #include "SDL_video.h" |
| 33 | #include "SDL_mouse.h" |
| 34 | #include "../SDL_sysvideo.h" |
| 35 | #include "../SDL_pixels_c.h" |
| 36 | #include "../../events/SDL_events_c.h" |
| 37 | #include "../SDL_cursor_c.h" |
| 38 | #include "SDL_gsvideo.h" |
| 39 | #include "SDL_gsmouse_c.h" |
| 40 | #include "SDL_gsevents_c.h" |
| 41 | #include "SDL_gsyuv_c.h" |
| 42 | |
| 43 | |
| 44 | /* Initialization/Query functions */ |
| 45 | static int GS_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| 46 | static SDL_Rect **GS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| 47 | static SDL_Surface *GS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| 48 | static int GS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); |
| 49 | static void GS_VideoQuit(_THIS); |
| 50 | |
| 51 | /* Hardware surface functions */ |
| 52 | static int GS_AllocHWSurface(_THIS, SDL_Surface *surface); |
| 53 | static int GS_LockHWSurface(_THIS, SDL_Surface *surface); |
| 54 | static void GS_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| 55 | static void GS_FreeHWSurface(_THIS, SDL_Surface *surface); |
| 56 | |
| 57 | /* GS driver bootstrap functions */ |
| 58 | |
| 59 | static int GS_Available(void) |
| 60 | { |
| 61 | int console, memory; |
| 62 | |
| 63 | console = open(PS2_DEV_GS, O_RDWR, 0); |
| 64 | if ( console >= 0 ) { |
| 65 | close(console); |
| 66 | } |
| 67 | memory = open(PS2_DEV_MEM, O_RDWR, 0); |
| 68 | if ( memory >= 0 ) { |
| 69 | close(memory); |
| 70 | } |
| 71 | return((console >= 0) && (memory >= 0)); |
| 72 | } |
| 73 | |
| 74 | static void GS_DeleteDevice(SDL_VideoDevice *device) |
| 75 | { |
| 76 | SDL_free(device->hidden); |
| 77 | SDL_free(device); |
| 78 | } |
| 79 | |
| 80 | static SDL_VideoDevice *GS_CreateDevice(int devindex) |
| 81 | { |
| 82 | SDL_VideoDevice *this; |
| 83 | |
| 84 | /* Initialize all variables that we clean on shutdown */ |
| 85 | this = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 86 | if ( this ) { |
| 87 | SDL_memset(this, 0, (sizeof *this)); |
| 88 | this->hidden = (struct SDL_PrivateVideoData *) |
| 89 | SDL_malloc((sizeof *this->hidden)); |
| 90 | } |
| 91 | if ( (this == NULL) || (this->hidden == NULL) ) { |
| 92 | SDL_OutOfMemory(); |
| 93 | if ( this ) { |
| 94 | SDL_free(this); |
| 95 | } |
| 96 | return(0); |
| 97 | } |
| 98 | SDL_memset(this->hidden, 0, (sizeof *this->hidden)); |
| 99 | mouse_fd = -1; |
| 100 | keyboard_fd = -1; |
| 101 | |
| 102 | /* Set the function pointers */ |
| 103 | this->VideoInit = GS_VideoInit; |
| 104 | this->ListModes = GS_ListModes; |
| 105 | this->SetVideoMode = GS_SetVideoMode; |
| 106 | this->CreateYUVOverlay = GS_CreateYUVOverlay; |
| 107 | this->SetColors = GS_SetColors; |
| 108 | this->UpdateRects = NULL; |
| 109 | this->VideoQuit = GS_VideoQuit; |
| 110 | this->AllocHWSurface = GS_AllocHWSurface; |
| 111 | this->CheckHWBlit = NULL; |
| 112 | this->FillHWRect = NULL; |
| 113 | this->SetHWColorKey = NULL; |
| 114 | this->SetHWAlpha = NULL; |
| 115 | this->LockHWSurface = GS_LockHWSurface; |
| 116 | this->UnlockHWSurface = GS_UnlockHWSurface; |
| 117 | this->FlipHWSurface = NULL; |
| 118 | this->FreeHWSurface = GS_FreeHWSurface; |
| 119 | this->SetIcon = NULL; |
| 120 | this->SetCaption = NULL; |
| 121 | this->GetWMInfo = NULL; |
| 122 | this->FreeWMCursor = GS_FreeWMCursor; |
| 123 | this->CreateWMCursor = GS_CreateWMCursor; |
| 124 | this->ShowWMCursor = GS_ShowWMCursor; |
| 125 | this->MoveWMCursor = GS_MoveWMCursor; |
| 126 | this->InitOSKeymap = GS_InitOSKeymap; |
| 127 | this->PumpEvents = GS_PumpEvents; |
| 128 | |
| 129 | this->free = GS_DeleteDevice; |
| 130 | |
| 131 | return this; |
| 132 | } |
| 133 | |
| 134 | VideoBootStrap PS2GS_bootstrap = { |
| 135 | "ps2gs", "PlayStation 2 Graphics Synthesizer", |
| 136 | GS_Available, GS_CreateDevice |
| 137 | }; |
| 138 | |
| 139 | /* These are the pixel formats for the 32, 24, and 16 bit video modes */ |
| 140 | static struct { |
| 141 | int bpp; |
| 142 | Uint32 r; |
| 143 | Uint32 g; |
| 144 | Uint32 b; |
| 145 | } GS_pixelmasks[] = { |
| 146 | { 32, 0x000000FF, /* RGB little-endian */ |
| 147 | 0x0000FF00, |
| 148 | 0x00FF0000 }, |
| 149 | { 24, 0x000000FF, /* RGB little-endian */ |
| 150 | 0x0000FF00, |
| 151 | 0x00FF0000 }, |
| 152 | { 16, 0x0000001f, /* RGB little-endian */ |
| 153 | 0x000003e0, |
| 154 | 0x00007c00 }, |
| 155 | }; |
| 156 | /* This is a mapping from SDL bytes-per-pixel to GS pixel format */ |
| 157 | static int GS_formatmap[] = { |
| 158 | -1, /* 0 bpp, not a legal value */ |
| 159 | -1, /* 8 bpp, not supported (yet?) */ |
| 160 | PS2_GS_PSMCT16, /* 16 bpp */ |
| 161 | PS2_GS_PSMCT24, /* 24 bpp */ |
| 162 | PS2_GS_PSMCT32 /* 32 bpp */ |
| 163 | }; |
| 164 | |
| 165 | static unsigned long long head_tags[] __attribute__((aligned(16))) = { |
| 166 | 4 | (1LL << 60), /* GIFtag */ |
| 167 | 0x0e, /* A+D */ |
| 168 | 0, /* 2 */ |
| 169 | PS2_GS_BITBLTBUF, |
| 170 | 0, /* 4 */ |
| 171 | PS2_GS_TRXPOS, |
| 172 | 0, /* 6 */ |
| 173 | PS2_GS_TRXREG, |
| 174 | 0, /* 8 */ |
| 175 | PS2_GS_TRXDIR |
| 176 | }; |
| 177 | |
| 178 | #define MAXIMG (32767 * 16) |
| 179 | #define MAXTAGS 8 |
| 180 | |
| 181 | static inline int loadimage_nonblock(int fd, struct ps2_image *image, int size, |
| 182 | unsigned long long *hm, |
| 183 | unsigned long long *im) |
| 184 | { |
| 185 | struct ps2_plist plist; |
| 186 | struct ps2_packet packet[1 + MAXTAGS * 2]; |
| 187 | int isize; |
| 188 | int pnum, it, eop; |
| 189 | char *data; |
| 190 | |
| 191 | /* initialize the variables */ |
| 192 | data = (char *)image->ptr; |
| 193 | pnum = it = eop = 0; |
| 194 | plist.packet = packet; |
| 195 | |
| 196 | /* make BITBLT packet */ |
| 197 | packet[pnum].ptr = hm; |
| 198 | packet[pnum].len = sizeof(head_tags); |
| 199 | pnum++; |
| 200 | hm[2] = ((unsigned long long)image->fbp << 32) | |
| 201 | ((unsigned long long)image->fbw << 48) | |
| 202 | ((unsigned long long)image->psm << 56); |
| 203 | hm[4] = ((unsigned long long)image->x << 32) | |
| 204 | ((unsigned long long)image->y << 48); |
| 205 | hm[6] = (unsigned long long)image->w | |
| 206 | ((unsigned long long)image->h << 32); |
| 207 | |
| 208 | /* make image mode tags */ |
| 209 | while (!eop) { |
| 210 | isize = size > MAXIMG ? MAXIMG : size; |
| 211 | size -= isize; |
| 212 | eop = (size == 0); |
| 213 | |
| 214 | packet[pnum].ptr = &im[it]; |
| 215 | packet[pnum].len = sizeof(unsigned long long) * 2; |
| 216 | pnum++; |
| 217 | im[it++] = (isize >> 4) | (eop ? (1 << 15) : 0) | (2LL << 58); |
| 218 | im[it++] = 0; |
| 219 | |
| 220 | packet[pnum].ptr = (void *)data; |
| 221 | packet[pnum].len = isize; |
| 222 | pnum++; |
| 223 | data += isize; |
| 224 | } |
| 225 | plist.num = pnum; |
| 226 | |
| 227 | return ioctl(fd, PS2IOC_SENDL, &plist); |
| 228 | } |
| 229 | |
| 230 | static unsigned long long tex_tags[] __attribute__((aligned(16))) = { |
| 231 | 3 | (1LL << 60), /* GIFtag */ |
| 232 | 0x0e, /* A+D */ |
| 233 | 0, /* 2 */ |
| 234 | PS2_GS_TEX0_1, |
| 235 | (1 << 5) + (1 << 6), |
| 236 | PS2_GS_TEX1_1, |
| 237 | 0, |
| 238 | PS2_GS_TEXFLUSH |
| 239 | }; |
| 240 | static unsigned long long scale_tags[] __attribute__((aligned(16))) = { |
| 241 | 5 | (1LL << 60), /* GIFtag */ |
| 242 | 0x0e, /* A+D */ |
| 243 | 6 + (1 << 4) + (1 << 8), |
| 244 | PS2_GS_PRIM, |
| 245 | ((unsigned long long)0 * 16) + (((unsigned long long)0 * 16) << 16), |
| 246 | PS2_GS_UV, |
| 247 | ((unsigned long long)0 * 16) + (((unsigned long long)0 * 16) << 16), |
| 248 | PS2_GS_XYZ2, |
| 249 | 0, /* 8 */ |
| 250 | PS2_GS_UV, |
| 251 | 0, /* 10 */ |
| 252 | PS2_GS_XYZ2 |
| 253 | }; |
| 254 | |
| 255 | |
| 256 | int scaleimage_nonblock(int fd, unsigned long long *tm, unsigned long long *sm) |
| 257 | { |
| 258 | struct ps2_plist plist; |
| 259 | struct ps2_packet packet[2]; |
| 260 | |
| 261 | /* initialize the variables */ |
| 262 | plist.num = 2; |
| 263 | plist.packet = packet; |
| 264 | |
| 265 | packet[0].ptr = tm; |
| 266 | packet[0].len = sizeof(tex_tags); |
| 267 | packet[1].ptr = sm; |
| 268 | packet[1].len = sizeof(scale_tags); |
| 269 | |
| 270 | return ioctl(fd, PS2IOC_SENDL, &plist); |
| 271 | } |
| 272 | |
| 273 | static int power_of_2(int value) |
| 274 | { |
| 275 | int shift; |
| 276 | |
| 277 | for ( shift = 0; (1<<shift) < value; ++shift ) { |
| 278 | /* Keep looking */ ; |
| 279 | } |
| 280 | return(shift); |
| 281 | } |
| 282 | |
| 283 | static int GS_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| 284 | { |
| 285 | struct ps2_screeninfo vinfo; |
| 286 | |
| 287 | /* Initialize the library */ |
| 288 | console_fd = open(PS2_DEV_GS, O_RDWR, 0); |
| 289 | if ( console_fd < 0 ) { |
| 290 | SDL_SetError("Unable to open %s", PS2_DEV_GS); |
| 291 | return(-1); |
| 292 | } |
| 293 | memory_fd = open(PS2_DEV_MEM, O_RDWR, 0); |
| 294 | if ( memory_fd < 0 ) { |
| 295 | close(console_fd); |
| 296 | console_fd = -1; |
| 297 | SDL_SetError("Unable to open %s", PS2_DEV_MEM); |
| 298 | return(-1); |
| 299 | } |
| 300 | |
| 301 | if ( ioctl(console_fd, PS2IOC_GSCREENINFO, &vinfo) < 0 ) { |
| 302 | close(memory_fd); |
| 303 | close(console_fd); |
| 304 | console_fd = -1; |
| 305 | SDL_SetError("Couldn't get console pixel format"); |
| 306 | return(-1); |
| 307 | } |
| 308 | |
| 309 | /* Determine the current screen size */ |
| 310 | this->info.current_w = vinfo.w; |
| 311 | this->info.current_h = vinfo.h; |
| 312 | |
| 313 | /* Determine the current screen depth */ |
| 314 | switch (vinfo.psm) { |
| 315 | /* Supported pixel formats */ |
| 316 | case PS2_GS_PSMCT32: |
| 317 | case PS2_GS_PSMCT24: |
| 318 | case PS2_GS_PSMCT16: |
| 319 | break; |
| 320 | default: |
| 321 | GS_VideoQuit(this); |
| 322 | SDL_SetError("Unknown console pixel format: %d", vinfo.psm); |
| 323 | return(-1); |
| 324 | } |
| 325 | vformat->BitsPerPixel = GS_pixelmasks[vinfo.psm].bpp; |
| 326 | vformat->Rmask = GS_pixelmasks[vinfo.psm].r; |
| 327 | vformat->Gmask = GS_pixelmasks[vinfo.psm].g; |
| 328 | vformat->Bmask = GS_pixelmasks[vinfo.psm].b; |
| 329 | saved_vinfo = vinfo; |
| 330 | |
| 331 | /* Enable mouse and keyboard support */ |
| 332 | if ( GS_OpenKeyboard(this) < 0 ) { |
| 333 | GS_VideoQuit(this); |
| 334 | SDL_SetError("Unable to open keyboard"); |
| 335 | return(-1); |
| 336 | } |
| 337 | if ( GS_OpenMouse(this) < 0 ) { |
| 338 | const char *sdl_nomouse; |
| 339 | |
| 340 | sdl_nomouse = SDL_getenv("SDL_NOMOUSE"); |
| 341 | if ( ! sdl_nomouse ) { |
| 342 | GS_VideoQuit(this); |
| 343 | SDL_SetError("Unable to open mouse"); |
| 344 | return(-1); |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | /* We're done! */ |
| 349 | return(0); |
| 350 | } |
| 351 | |
| 352 | static SDL_Rect **GS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| 353 | { |
| 354 | static SDL_Rect GS_vesa_mode_list[] = { |
| 355 | { 0, 0, 1280, 1024 }, |
| 356 | { 0, 0, 1024, 768 }, |
| 357 | { 0, 0, 800, 600 }, |
| 358 | { 0, 0, 640, 480 } |
| 359 | }; |
| 360 | static SDL_Rect *GS_vesa_modes[] = { |
| 361 | &GS_vesa_mode_list[0], |
| 362 | &GS_vesa_mode_list[1], |
| 363 | &GS_vesa_mode_list[2], |
| 364 | &GS_vesa_mode_list[3], |
| 365 | NULL |
| 366 | }; |
| 367 | static SDL_Rect GS_tvout_stretch; |
| 368 | static SDL_Rect GS_tvout_mode; |
| 369 | static SDL_Rect *GS_tvout_modes[3]; |
| 370 | SDL_Rect **modes = NULL; |
| 371 | |
| 372 | switch (format->BitsPerPixel) { |
| 373 | case 16: |
| 374 | case 24: |
| 375 | case 32: |
| 376 | if ( saved_vinfo.mode == PS2_GS_VESA ) { |
| 377 | modes = GS_vesa_modes; |
| 378 | } else { |
| 379 | int i, j = 0; |
| 380 | |
| 381 | // FIXME - what's wrong with the stretch code at 16 bpp? |
| 382 | if ( format->BitsPerPixel != 32 ) break; |
| 383 | /* Add a mode that we could possibly stretch to */ |
| 384 | for ( i=0; GS_vesa_modes[i]; ++i ) { |
| 385 | if ( (GS_vesa_modes[i]->w == saved_vinfo.w) && |
| 386 | (GS_vesa_modes[i]->h != saved_vinfo.h) ) { |
| 387 | GS_tvout_stretch.w=GS_vesa_modes[i]->w; |
| 388 | GS_tvout_stretch.h=GS_vesa_modes[i]->h; |
| 389 | GS_tvout_modes[j++] = &GS_tvout_stretch; |
| 390 | break; |
| 391 | } |
| 392 | } |
| 393 | /* Add the current TV video mode */ |
| 394 | GS_tvout_mode.w = saved_vinfo.w; |
| 395 | GS_tvout_mode.h = saved_vinfo.h; |
| 396 | GS_tvout_modes[j++] = &GS_tvout_mode; |
| 397 | GS_tvout_modes[j++] = NULL; |
| 398 | |
| 399 | /* Return the created list of modes */ |
| 400 | modes = GS_tvout_modes; |
| 401 | } |
| 402 | break; |
| 403 | default: |
| 404 | break; |
| 405 | } |
| 406 | return(modes); |
| 407 | } |
| 408 | |
| 409 | /* Various screen update functions available */ |
| 410 | static void GS_DMAFullUpdate(_THIS, int numrects, SDL_Rect *rects); |
| 411 | |
| 412 | static SDL_Surface *GS_SetVideoMode(_THIS, SDL_Surface *current, |
| 413 | int width, int height, int bpp, Uint32 flags) |
| 414 | { |
| 415 | struct ps2_screeninfo vinfo; |
| 416 | |
| 417 | /* Set the terminal into graphics mode */ |
| 418 | if ( GS_EnterGraphicsMode(this) < 0 ) { |
| 419 | return(NULL); |
| 420 | } |
| 421 | |
| 422 | /* Set the video mode and get the final screen format */ |
| 423 | if ( ioctl(console_fd, PS2IOC_GSCREENINFO, &vinfo) < 0 ) { |
| 424 | SDL_SetError("Couldn't get console screen info"); |
| 425 | return(NULL); |
| 426 | } |
| 427 | if ( (vinfo.w != width) || (vinfo.h != height) || |
| 428 | (GS_pixelmasks[vinfo.psm].bpp != bpp) ) { |
| 429 | /* If we're not in VESA mode, we have to scale resolution */ |
| 430 | if ( saved_vinfo.mode == PS2_GS_VESA ) { |
| 431 | switch (width) { |
| 432 | case 640: |
| 433 | vinfo.res = PS2_GS_640x480; |
| 434 | break; |
| 435 | case 800: |
| 436 | vinfo.res = PS2_GS_800x600; |
| 437 | break; |
| 438 | case 1024: |
| 439 | vinfo.res = PS2_GS_1024x768; |
| 440 | break; |
| 441 | case 1280: |
| 442 | vinfo.res = PS2_GS_1280x1024; |
| 443 | break; |
| 444 | default: |
| 445 | SDL_SetError("Unsupported resolution: %dx%d\n", |
| 446 | width, height); |
| 447 | return(NULL); |
| 448 | } |
| 449 | vinfo.res |= (PS2_GS_75Hz << 8); |
| 450 | vinfo.w = width; |
| 451 | vinfo.h = height; |
| 452 | } |
| 453 | vinfo.fbp = 0; |
| 454 | vinfo.psm = GS_formatmap[bpp/8]; |
| 455 | if ( vinfo.psm < 0 ) { |
| 456 | SDL_SetError("Unsupported depth: %d bpp\n", bpp); |
| 457 | return(NULL); |
| 458 | } |
| 459 | if ( ioctl(console_fd, PS2IOC_SSCREENINFO, &vinfo) < 0 ) { |
| 460 | SDL_SetError("Couldn't set console screen info"); |
| 461 | return(NULL); |
| 462 | } |
| 463 | |
| 464 | /* Unmap the previous DMA buffer */ |
| 465 | if ( mapped_mem ) { |
| 466 | munmap(mapped_mem, mapped_len); |
| 467 | mapped_mem = NULL; |
| 468 | } |
| 469 | } |
| 470 | if ( ! SDL_ReallocFormat(current, GS_pixelmasks[vinfo.psm].bpp, |
| 471 | GS_pixelmasks[vinfo.psm].r, |
| 472 | GS_pixelmasks[vinfo.psm].g, |
| 473 | GS_pixelmasks[vinfo.psm].b, 0) ) { |
| 474 | return(NULL); |
| 475 | } |
| 476 | |
| 477 | /* Set up the new mode framebuffer */ |
| 478 | current->flags = SDL_FULLSCREEN; |
| 479 | current->w = width; |
| 480 | current->h = height; |
| 481 | current->pitch = SDL_CalculatePitch(current); |
| 482 | |
| 483 | /* Memory map the DMA area for block memory transfer */ |
| 484 | if ( ! mapped_mem ) { |
| 485 | pixels_len = height * current->pitch; |
| 486 | mapped_len = pixels_len + |
| 487 | /* Screen update DMA command area */ |
| 488 | sizeof(head_tags) + ((2 * MAXTAGS) * 16); |
| 489 | if ( saved_vinfo.mode != PS2_GS_VESA ) { |
| 490 | mapped_len += sizeof(tex_tags) + sizeof(scale_tags); |
| 491 | } |
| 492 | mapped_mem = mmap(0, mapped_len, PROT_READ|PROT_WRITE, |
| 493 | MAP_SHARED, memory_fd, 0); |
| 494 | if ( mapped_mem == MAP_FAILED ) { |
| 495 | SDL_SetError("Unable to map %d bytes for DMA", |
| 496 | mapped_len); |
| 497 | mapped_mem = NULL; |
| 498 | return(NULL); |
| 499 | } |
| 500 | |
| 501 | /* Set up the entire screen for DMA transfer */ |
| 502 | screen_image.ptr = mapped_mem; |
| 503 | screen_image.fbp = 0; |
| 504 | screen_image.fbw = (vinfo.w + 63) / 64; |
| 505 | screen_image.psm = vinfo.psm; |
| 506 | screen_image.x = 0; |
| 507 | if ( vinfo.h == height ) { |
| 508 | screen_image.y = 0; |
| 509 | } else { |
| 510 | /* Put image offscreen and scale to screen height */ |
| 511 | screen_image.y = vinfo.h; |
| 512 | } |
| 513 | screen_image.w = current->w; |
| 514 | screen_image.h = current->h; |
| 515 | |
| 516 | /* get screen image data size (qword aligned) */ |
| 517 | screen_image_size = (screen_image.w * screen_image.h); |
| 518 | switch (screen_image.psm) { |
| 519 | case PS2_GS_PSMCT32: |
| 520 | screen_image_size *= 4; |
| 521 | break; |
| 522 | case PS2_GS_PSMCT24: |
| 523 | screen_image_size *= 3; |
| 524 | break; |
| 525 | case PS2_GS_PSMCT16: |
| 526 | screen_image_size *= 2; |
| 527 | break; |
| 528 | } |
| 529 | screen_image_size = (screen_image_size + 15) & ~15; |
| 530 | |
| 531 | /* Set up the memory for screen update DMA commands */ |
| 532 | head_tags_mem = (unsigned long long *) |
| 533 | (mapped_mem + pixels_len); |
| 534 | image_tags_mem = (unsigned long long *) |
| 535 | ((caddr_t)head_tags_mem + sizeof(head_tags)); |
| 536 | SDL_memcpy(head_tags_mem, head_tags, sizeof(head_tags)); |
| 537 | if ( saved_vinfo.mode != PS2_GS_VESA ) { |
| 538 | tex_tags_mem = (unsigned long long *) |
| 539 | ((caddr_t)image_tags_mem + ((2*MAXTAGS)*16)); |
| 540 | scale_tags_mem = (unsigned long long *) |
| 541 | ((caddr_t)tex_tags_mem + sizeof(tex_tags)); |
| 542 | SDL_memcpy(tex_tags_mem, tex_tags, sizeof(tex_tags)); |
| 543 | tex_tags_mem[2] = |
| 544 | (vinfo.h * vinfo.w) / 64 + |
| 545 | ((unsigned long long)screen_image.fbw << 14) + |
| 546 | ((unsigned long long)screen_image.psm << 20) + |
| 547 | ((unsigned long long)power_of_2(screen_image.w) << 26) + |
| 548 | ((unsigned long long)power_of_2(screen_image.h) << 30) + |
| 549 | ((unsigned long long)1 << 34) + |
| 550 | ((unsigned long long)1 << 35); |
| 551 | SDL_memcpy(scale_tags_mem, scale_tags, sizeof(scale_tags)); |
| 552 | scale_tags_mem[8] = |
| 553 | ((unsigned long long)screen_image.w * 16) + |
| 554 | (((unsigned long long)screen_image.h * 16) << 16); |
| 555 | scale_tags_mem[10] = |
| 556 | ((unsigned long long)vinfo.w * 16) + |
| 557 | (((unsigned long long)vinfo.h * 16) << 16); |
| 558 | } |
| 559 | } |
| 560 | current->pixels = NULL; |
| 561 | if ( SDL_getenv("SDL_FULLSCREEN_UPDATE") ) { |
| 562 | /* Correct semantics */ |
| 563 | current->flags |= SDL_ASYNCBLIT; |
| 564 | } else { |
| 565 | /* We lie here - the screen memory isn't really the visible |
| 566 | display memory and still requires an update, but this |
| 567 | has the desired effect for most applications. |
| 568 | */ |
| 569 | current->flags |= SDL_HWSURFACE; |
| 570 | } |
| 571 | |
| 572 | /* Set the update rectangle function */ |
| 573 | this->UpdateRects = GS_DMAFullUpdate; |
| 574 | |
| 575 | /* We're done */ |
| 576 | return(current); |
| 577 | } |
| 578 | |
| 579 | /* We don't support hardware surfaces yet */ |
| 580 | static int GS_AllocHWSurface(_THIS, SDL_Surface *surface) |
| 581 | { |
| 582 | return(-1); |
| 583 | } |
| 584 | static void GS_FreeHWSurface(_THIS, SDL_Surface *surface) |
| 585 | { |
| 586 | return; |
| 587 | } |
| 588 | static int GS_LockHWSurface(_THIS, SDL_Surface *surface) |
| 589 | { |
| 590 | if ( surface == this->screen ) { |
| 591 | /* Since mouse motion affects 'pixels', lock it */ |
| 592 | SDL_LockCursor(); |
| 593 | |
| 594 | /* Make sure any pending DMA has completed */ |
| 595 | if ( dma_pending ) { |
| 596 | ioctl(console_fd, PS2IOC_SENDQCT, 1); |
| 597 | dma_pending = 0; |
| 598 | } |
| 599 | |
| 600 | /* If the cursor is drawn on the DMA area, remove it */ |
| 601 | if ( cursor_drawn ) { |
| 602 | surface->pixels = mapped_mem + surface->offset; |
| 603 | SDL_EraseCursorNoLock(this->screen); |
| 604 | cursor_drawn = 0; |
| 605 | } |
| 606 | |
| 607 | /* Set the surface pixels to the base of the DMA area */ |
| 608 | surface->pixels = mapped_mem; |
| 609 | |
| 610 | /* We're finished! */ |
| 611 | SDL_UnlockCursor(); |
| 612 | } |
| 613 | return(0); |
| 614 | } |
| 615 | static void GS_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 616 | { |
| 617 | if ( surface == this->screen ) { |
| 618 | /* Since mouse motion affects 'pixels', lock it */ |
| 619 | SDL_LockCursor(); |
| 620 | surface->pixels = NULL; |
| 621 | SDL_UnlockCursor(); |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | static void GS_DMAFullUpdate(_THIS, int numrects, SDL_Rect *rects) |
| 626 | { |
| 627 | /* Lock so we aren't interrupted by a mouse update */ |
| 628 | SDL_LockCursor(); |
| 629 | |
| 630 | /* Make sure any pending DMA has completed */ |
| 631 | if ( dma_pending ) { |
| 632 | ioctl(console_fd, PS2IOC_SENDQCT, 1); |
| 633 | dma_pending = 0; |
| 634 | } |
| 635 | |
| 636 | /* If the mouse is visible, draw it on the DMA area */ |
| 637 | if ( (SDL_cursorstate & CURSOR_VISIBLE) && !cursor_drawn ) { |
| 638 | this->screen->pixels = mapped_mem + this->screen->offset; |
| 639 | SDL_DrawCursorNoLock(this->screen); |
| 640 | this->screen->pixels = NULL; |
| 641 | cursor_drawn = 1; |
| 642 | } |
| 643 | |
| 644 | /* Put the image onto the screen */ |
| 645 | loadimage_nonblock(console_fd, |
| 646 | &screen_image, screen_image_size, |
| 647 | head_tags_mem, image_tags_mem); |
| 648 | if ( screen_image.y > 0 ) { |
| 649 | /* Need to scale offscreen image to TV output */ |
| 650 | ioctl(console_fd, PS2IOC_SENDQCT, 1); |
| 651 | dma_pending = 0; |
| 652 | scaleimage_nonblock(console_fd, tex_tags_mem, scale_tags_mem); |
| 653 | } else { |
| 654 | dma_pending = 1; |
| 655 | } |
| 656 | |
| 657 | /* We're finished! */ |
| 658 | SDL_UnlockCursor(); |
| 659 | } |
| 660 | |
| 661 | static int GS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 662 | { |
| 663 | return(0); |
| 664 | } |
| 665 | |
| 666 | static void GS_VideoQuit(_THIS) |
| 667 | { |
| 668 | /* Close console and input file descriptors */ |
| 669 | if ( console_fd > 0 ) { |
| 670 | /* Unmap the video framebuffer */ |
| 671 | if ( mapped_mem ) { |
| 672 | /* Unmap the video framebuffer */ |
| 673 | munmap(mapped_mem, mapped_len); |
| 674 | mapped_mem = NULL; |
| 675 | } |
| 676 | close(memory_fd); |
| 677 | |
| 678 | /* Restore the original video mode */ |
| 679 | if ( GS_InGraphicsMode(this) ) { |
| 680 | ioctl(console_fd, PS2IOC_SSCREENINFO, &saved_vinfo); |
| 681 | } |
| 682 | |
| 683 | /* We're all done with the graphics device */ |
| 684 | close(console_fd); |
| 685 | console_fd = -1; |
| 686 | } |
| 687 | GS_CloseMouse(this); |
| 688 | GS_CloseKeyboard(this); |
| 689 | } |